*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  margin: 0;
  background: var(--sis);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.noscript { margin: 0; padding: 1rem var(--gutter); font-size: 0.875rem; color: var(--ink-2); }

a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 2px; }

.skip {
  position: absolute; left: var(--gutter); top: -4rem; z-index: 20;
  background: var(--ink); color: var(--kar); padding: 0.6rem 1rem; border-radius: 4px;
}
.skip:focus { top: 0.75rem; }

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0.85rem var(--gutter);
  background: color-mix(in srgb, var(--sis) 94%, transparent);
  border-bottom: 1px solid var(--line);
}
.mark { font: 500 1.125rem/1 var(--serif); text-decoration: none; letter-spacing: -0.01em; margin-right: auto; }
.nav { display: none; gap: 1.75rem; font-size: 0.95rem; }
.nav a { text-decoration: none; color: var(--ink-2); padding: 0.35rem 0; border-bottom: 1px solid transparent; }
.nav a:hover { color: var(--ink); border-bottom-color: var(--moss); }
@media (min-width: 760px) { .nav { display: flex; } }

.switch { display: flex; gap: 0.15rem; }
.switch button {
  font: 600 0.8125rem/1 var(--sans); letter-spacing: 0.04em;
  min-width: 2.75rem; min-height: 2.75rem; /* 44px touch target */
  padding: 0 0.5rem; border: 0; border-radius: 999px; background: transparent;
  color: var(--ink-2); cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.switch button:hover { color: var(--ink); }
.switch button[aria-pressed="true"] { background: var(--ink); color: var(--kar); }

/* ---------- hero ---------- */
.hero {
  max-width: 1280px; margin-inline: auto;
  padding: clamp(3.5rem, 9vw, 8rem) var(--gutter) clamp(3.5rem, 8vw, 7rem);
}
.name {
  margin: 0;
  font: 300 clamp(3.75rem, 13vw, 10rem)/0.92 var(--serif);
  letter-spacing: -0.035em;
  font-variation-settings: "opsz" 72;
}
.name span { display: block; }

.hero-row {
  margin-top: clamp(2.5rem, 6vw, 5rem);
  display: grid; gap: 2.5rem; align-items: end;
}
@media (min-width: 900px) { .hero-row { grid-template-columns: 1.3fr 1fr; gap: 4rem; } }

/* The role, in all three languages, is also the language switch. */
.roles { display: grid; gap: 0.15rem; justify-items: start; }
.role {
  display: grid; grid-template-columns: 2.75rem auto; align-items: baseline;
  padding: 0.3rem 0; border: 0; background: none; cursor: pointer; text-align: left;
  color: var(--ink-2); font: 400 clamp(1.5rem, 3.4vw, 2.25rem)/1.25 var(--serif);
  transition: color 0.2s var(--ease);
}
.role .code { font: 600 0.8125rem/1 var(--sans); letter-spacing: 0.04em; }
.role:hover { color: var(--ink); }
.role[aria-pressed="true"] { color: var(--ink); font-style: italic; }
.role[aria-pressed="true"] .code { color: var(--moss); }

.tagline {
  margin: 0; max-width: 24ch;
  font: italic 300 clamp(1.35rem, 2.4vw, 1.75rem)/1.35 var(--serif);
  color: var(--moss-deep);
}

/* ---------- sections ---------- */
.sec, .contact { border-top: 1px solid var(--line); }
.sec { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.sec-edu { border-top-style: dashed; padding-top: clamp(2.5rem, 6vw, 4.5rem); }
.sec-in { max-width: 1280px; margin-inline: auto; padding-inline: var(--gutter); display: grid; gap: 2rem; }
@media (min-width: 900px) { .sec-in { grid-template-columns: 1fr 3fr; gap: 3rem; } }

.sec h2, .contact h2 { margin: 0; font: 400 1.5rem/1.2 var(--serif); letter-spacing: -0.005em; color: var(--moss); }

.about { margin: 0; max-width: 34em; font: 300 clamp(1.3rem, 2.1vw, 1.65rem)/1.55 var(--serif); }

.expertise { list-style: none; margin: 0; padding: 0; max-width: 40rem; }
.expertise li {
  padding: 1.1rem 0; border-bottom: 1px solid var(--line);
  font: 400 clamp(1.25rem, 2vw, 1.5rem)/1.35 var(--serif);
}
.expertise li:first-child { padding-top: 0; }
.expertise li:last-child { border-bottom: 0; }

/* Timeline: this content really is a sequence, so the line and markers carry meaning. */
.tl { list-style: none; margin: 0; padding: 0; max-width: 44rem; }
.tl-item { display: grid; gap: 0.25rem 2rem; }
@media (min-width: 640px) { .tl-item { grid-template-columns: 8.5rem 1fr; } }
.tl-period { margin: 0.2rem 0 0; font-size: 0.9375rem; color: var(--ink-2); font-variant-numeric: tabular-nums; }
@media (min-width: 640px) { .tl-period { text-align: right; } }
.tl-body { position: relative; padding: 0 0 2.25rem 1.75rem; border-left: 1px solid var(--line); }
.tl-item:last-child .tl-body { padding-bottom: 0; }
.tl-body::before {
  content: ""; position: absolute; left: -5.5px; top: 0.55rem;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--sis); border: 1.5px solid var(--moss);
}
.tl-item.current .tl-body::before { background: var(--moss); box-shadow: 0 0 0 4px rgba(59, 100, 80, 0.2); }
.tl-title { margin: 0; font: 500 1.3rem/1.3 var(--serif); }
.tl-org { margin: 0.1rem 0 0; color: var(--moss-deep); font-weight: 500; }
.tl-note { margin: 0.5rem 0 0; color: var(--ink-2); font-size: 0.975rem; max-width: 56ch; }
@media (max-width: 639px) { .tl-period { padding-left: 1.75rem; } }

/* ---------- contact ---------- */
.contact { background: var(--ink); color: var(--kar); padding-block: clamp(3.5rem, 8vw, 6.5rem) 2rem; }
.contact h2 { color: var(--sand); }
.contact-body { display: grid; gap: 1.25rem; align-content: start; }
.contact-lead { margin: 0; font: italic 300 1.35rem/1.4 var(--serif); color: rgba(246, 247, 243, 0.78); max-width: 30ch; }
.contact-mail {
  font: 300 clamp(1.6rem, 4.6vw, 3.25rem)/1.15 var(--serif); letter-spacing: -0.02em;
  text-decoration: underline; text-decoration-color: var(--sand); text-decoration-thickness: 1px; text-underline-offset: 0.2em;
  overflow-wrap: anywhere; width: fit-content;
}
.contact-mail:hover { color: var(--sand); }
.contact-list { display: flex; flex-wrap: wrap; gap: 1rem 3rem; margin: 1.5rem 0 0; }
.contact-list dt { font-size: 0.875rem; color: var(--sand); }
.contact-list dd { margin: 0.15rem 0 0; font: 400 1.15rem/1.4 var(--serif); }
.contact-list a { text-decoration-color: rgba(216, 204, 180, 0.6); text-underline-offset: 0.2em; }
.contact-list a:hover { color: var(--sand); }
.contact :focus-visible { outline-color: #9db8ff; }
.legal { grid-column: 1 / -1; margin: 3.5rem 0 0; font-size: 0.875rem; color: rgba(246, 247, 243, 0.62); }
.legal #year::after { content: " ©"; }